Bending machine for automobile plate machining

Abstract

The utility model discloses a bending machine for automobile plate processing, which comprises a machine shell, a fixing plate arranged at the top of the machine shell and used for placing a workpiece to be bent, and an overturning plate rotationally arranged on the side of the machine shell and used for bending the workpiece to be bent, and further comprises a bending adjusting mechanism and a conveying mechanism, the bending adjusting mechanism is arranged on the top of the machine shell and located above the fixing plate. The bending adjusting mechanism comprises a mounting part, a rotating part and an overturning abutting part. The pair of mounting parts are respectively arranged at the top of the shell in a sliding manner; the rotating part is rotationally arranged between the pair of mounting parts; according to the device, the problem that the bending angle and shape can be adjusted only by disassembling and replacing components is solved, and the effect that the angle and shape of the bending position of a bent workpiece can be adjusted without disassembling and replacing the overturning abutting part is achieved.

Description

Technical Field

[0001] This utility model relates to the field of automotive sheet metal bending technology, and more specifically, it relates to a bending machine for processing automotive sheet metal. Background Technology

[0002] In the automotive sheet metal processing industry, bending machines are key equipment, and their performance directly affects processing efficiency and product quality. However, traditional automotive sheet metal bending machines face significant technical bottlenecks when dealing with diverse bending requirements. Existing technologies mainly adjust the bending angle and shape by replacing different contact parts or adjusting mechanical limit devices. This process not only requires interrupting the production flow, but the frequent disassembly and assembly of parts can easily lead to a decrease in equipment precision, while also increasing mold management costs.

[0003] Currently, most automotive sheet metal bending machines use mechanical angle adjustment mechanisms, which have many technical limitations. Taking the design of the existing bending machine's contact component as an example, its structure is relatively fixed and cannot flexibly adapt to diverse bending angles and shape requirements. When processing automotive sheet metal of different specifications and bending parameters, it is often necessary to replace the entire contact component or change its working state through complex mechanical adjustment mechanisms.

[0004] For example, current bending machines on the market use detachable abutment dies. When processing workpieces with different bending angles, operators need to stop the machine and manually change the die. This process is not only time-consuming and labor-intensive, increasing equipment downtime and reducing production efficiency, but frequent die changes can also easily lead to increased die positioning errors, affecting bending accuracy. Furthermore, although some traditional bending machines are designed with adjustable abutment mechanisms, the adjustment methods are usually cumbersome, requiring the use of various tools for precise adjustments, which reduces work efficiency. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a bending machine for processing automotive sheet metal without disassembling and replacing the flipping abutment part.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] This utility model is further configured as follows: it includes a housing, a fixed plate disposed on the top of the housing for placing the workpiece to be bent, and a flipping plate rotatably disposed on the side of the housing for bending the workpiece. The bending machine for automotive sheet metal processing also includes a bending adjustment mechanism and a conveying mechanism. The bending adjustment mechanism is disposed on the top of the housing and above the fixed plate. The bending adjustment mechanism includes an installation part, a rotating part, and a flipping abutment part. The installation part has a pair and is slidably disposed on the top of the housing. The rotating part is rotatably disposed between the pair of installation parts. The flipping abutment part is rotatably disposed outside the rotating part and is located above the fixed plate. One end of the flipping abutment part has a right-angle structure, and the other end has a semi-circular structure. The flipping abutment part can be flipped and used to abut against the bending point of the workpiece to be bent. The conveying mechanism is disposed on the top of the fixed plate and is used to convey and limit the movement of the workpiece to be bent on the fixed plate.

[0008] By adopting the above technical solution, the problem of needing to disassemble and replace parts to adjust the bending angle and shape is solved, achieving the effect of adjusting the bending angle and shape of the workpiece without disassembling and replacing the flipping abutment part.

[0009] The present invention is further configured such that: the bending adjustment mechanism also includes a limiting part and a locking part; the limiting part has a pair and is respectively disposed on the outside of the rotating rod, and both limiting parts are close to the side of the mounting part; the locking part has a pair and is respectively slidably disposed on the side of the mounting part, and when the locking part slides, it can be in contact with the two sides of the limiting part.

[0010] The present invention is further configured such that: the bending adjustment mechanism includes a rotary motor, a first telescopic cylinder, and a second telescopic cylinder; the rotary motor is located on the side of the mounting part, and the output end of the rotary motor is connected to the rotating part, so that when the rotary motor is started, it can drive the rotating part and the flipping abutment part to rotate synchronously; the first telescopic cylinder is located on the top of the housing, and the output end of the first telescopic cylinder is connected to the mounting part; the second telescopic cylinder is located on the side of the mounting part, and the output end of the second telescopic cylinder is connected to the locking part.

[0011] The present invention is further configured such that: the conveying mechanism includes rollers, a displacement part, a lifting part, and a contacting wheel; multiple rollers are respectively disposed on the top of the fixed plate, and the multiple rollers are used to receive and convey the workpiece to be bent; the displacement part is slidably disposed on the top of the housing, and the displacement part is located above the fixed plate; the lifting part is slidably disposed on the top of the displacement part; the contacting wheel is slidably disposed at the bottom of the lifting part, and the contacting wheel can descend and contact the workpiece to be bent placed on the roller.

[0012] The present invention is further configured such that: the conveying mechanism includes a guide part and a drive part; the guide part has a pair and is slidably disposed on the top of the displacement part, and the guide part and the displacement part are in clearance fit; the drive part is disposed on the top of the displacement part, and the output end of the drive part is connected to the lifting part, and when the drive part is started, it can drive the lifting part and the abutment wheel to move in a downward movement state.

[0013] The present invention is further configured such that: the conveying mechanism includes a travel block and a limiting wheel; the travel block has a pair and is slidably disposed on the top of the fixed plate; the limiting wheel has a plurality of limiting wheels and is rotatably disposed on the side of the travel block, and the plurality of limiting wheels are used to abut against both sides of the receiving bent workpiece.

[0014] The present invention is further configured such that: the conveying mechanism also includes an electric push rod; the electric push rod has a pair and is respectively disposed on the top of the fixed plate, and the output end of the electric push rod is connected to the stroke block, so that when the electric push rod is started, it can drive the stroke block and the limit wheel to move.

[0015] By adopting the above technical solution, the workpiece to be bent can be clamped without affecting the conveying of the workpiece, and the centering effect of the workpiece on the fixed plate can be ensured.

[0016] In summary, this application includes at least one of the following beneficial technical effects:

[0017] By setting up a bending adjustment mechanism, the problem of needing to disassemble and replace parts to adjust the bending angle and shape is solved, achieving the effect of adjusting the bending angle and shape of the workpiece without disassembling and replacing the flipping abutment part.

[0018] By setting up a conveying mechanism, the workpiece to be bent can be clamped without affecting the conveying of the workpiece, and the centering effect of the workpiece on the fixed plate is ensured. Attached Figure Description

[0019] Figure 1 This is a first-view perspective three-dimensional structural diagram of a bending machine for processing automotive sheet metal according to this utility model.

[0020] Figure 2 This is a second-view perspective three-dimensional structural diagram of a bending machine for processing automotive sheet metal according to this utility model;

[0021] Figure 3 This is a side view of a bending machine for processing automotive sheet metal according to the present invention.

[0022] Figure 4 This is a three-dimensional structural diagram of the bending adjustment mechanism of a bending machine for processing automotive sheet metal according to this utility model.

[0023] Figure 5for Figure 4 Enlarged structural diagram at point A in the middle;

[0024] Figure 6 for Figure 4 Enlarged structural diagram at point B in the middle.

[0025] Explanation of reference numerals in the attached drawings: 1. Housing; 2. Fixing plate; 3. Flipping plate; 4. Bending and adjusting mechanism; 41. Mounting part; 42. Rotating part; 43. Flipping and abutting part; 44. Limiting part; 45. Locking part; 46. Rotary motor; 47. First telescopic cylinder; 48. Second telescopic cylinder; 5. Conveying mechanism; 51. Roller; 52. Displacement part; 53. Lifting part; 54. Abutting wheel; 55. Guide part; 56. Drive part; 57. Stroke block; 58. Limiting wheel; 59. Electric push rod. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0028] Please see Figure 1-6 The present invention provides the following technical solution:

[0029] Example 1 includes a housing 1, a fixed plate 2 disposed on top of the housing 1 for placing the workpiece to be bent, and a flipping plate 3 rotatably disposed on the side of the housing 1 for bending the workpiece. The bending machine for automotive sheet metal processing also includes a bending adjustment mechanism 4 and a conveying mechanism 5. The bending adjustment mechanism 4 is disposed on top of the housing 1 and above the fixed plate 2. The bending adjustment mechanism 4 includes a mounting part 41, a rotating part 42, and a flipping abutment part 43. The mounting parts 41 are a pair and are slidably disposed on the top of the housing 1. The rotating part 42 is rotatably disposed between the pair of mounting parts 41. The flipping abutment part 43 is rotatably disposed outside the rotating part 42. The flipping abutment part 43 is located above the fixed plate 2, and one end of the flipping abutment part 43 has a right-angle structure, while the other end has a semi-circular structure. The flipping abutment part 43 can be flipped and used to abut against the bending point of the workpiece to be bent. The conveying mechanism 5 is disposed on top of the fixed plate 2 and is used to convey and limit the movement of the workpiece to be bent on the fixed plate 2.

[0030] Specifically, to adapt to the bending process requirements of different workpieces, the flip-up abutment part 43 can be machined using a CNC machine tool. The flip-up abutment part 43 is preferably machined into a cross structure, and its ends can be machined into square plates, semi-circles, or right angles to adapt to different bending angle requirements. Through the above structural design and processing method, the flip-up abutment part 43 can achieve precise matching with the bending part of the workpiece during bending operations, ensuring the stability and adaptability of the bending process. To reduce the pressure of the flip-up plate 3 when bending the workpiece located above the fixed plate 2, a positioning plate is provided on the side of the housing 1, located below the fixed plate 2. Multiple vertical rods with clearance fit to the fixed plate 2 are provided on the top of the positioning plate. Damping springs are provided on the outside of the vertical rods, with both ends of the damping springs fixed to the ends of the positioning plate and the fixed plate 2, respectively. When the workpiece to be bent is bent on the fixed plate 2 by the flip-up plate 3, the fixed plate 2 can descend along the clearance-fitting vertical rods, thereby reducing the stress on the workpiece during bending. A hydraulic cylinder is rotatably mounted on the bottom of the housing 1 to drive the tilting plate 3 to perform tilting and bending actions. A sliding block is slidably mounted on the bottom of the tilting plate 3, and the sliding block is rotatably connected to the output end of the hydraulic cylinder. When the hydraulic cylinder is activated, it can drive the tilting plate 3 to bend the workpiece to be bent on the fixed plate 2. When it is necessary to adjust the bending position of the workpiece, the tilting abutment part 43 can rotate synchronously with the rotation of the rotating part 42. The right-angled or semi-circular structure of the tilting abutment part 43 abuts against the bending position of the workpiece to be bent, thereby adjusting the bending angle of the workpiece. The bending position, angle and shape of the workpiece can be adjusted without disassembling and replacing the tilting abutment part 43.

[0031] See Figures 2-4 The bending adjustment mechanism 4 also includes a limiting part 44 and a locking part 45; the limiting part 44 has a pair and is respectively disposed on the outside of the rotating rod, and both limiting parts 44 are close to the side of the mounting part 41; the locking part 45 has a pair and is respectively slidably disposed on the side of the mounting part 41, and when the locking part 45 slides, it can abut against the two sides of the limiting part 44.

[0032] Specifically, when the flip-up abutment part 43 flips and needs to be effectively fixed to prevent excessive pressure when it contacts the workpiece to be bent, causing it to shift, the following steps are taken: First, during the flip-up abutment part 43's flipping process, it drives the limiting part 44 to rotate synchronously. In this state, the locking part 45 moves away from the limiting part 44. When the flip-up abutment part 43 and the limiting part 44 stop flipping, the locking part 45 slides and abuts against both sides of the limiting part 44, thereby fixing both sides of the limiting part 44 and ensuring stable use of the flip-up abutment part 43 after flipping.

[0033] See Figures 3-5The bending adjustment mechanism 4 also includes a rotary motor 46, a first telescopic cylinder 47, and a second telescopic cylinder 48. The rotary motor 46 is located beside the mounting part 41, and its output end is connected to the rotating part 42. When the rotary motor 46 is started, it can drive the rotating part 42 and the flipping abutment part 43 to rotate synchronously. The first telescopic cylinder 47 is located on the top of the housing 1, and its output end is connected to the mounting part 41. The second telescopic cylinder 48 is located beside the mounting part 41, and its output end is connected to the locking part 45.

[0034] Specifically, when it is necessary to drive the rotating abutment part 43 to rotate, the rotary motor 46 is first started. The rotary motor 46 is preferably a servo motor. When the rotary motor 46 is started, it can drive the rotating part 42, the rotating abutment part 43, and the limiting part 44 to rotate synchronously. During this process, the second telescopic cylinder 48 is activated and drives the locking part 45 to slide away from the limiting part 44. In order to adjust the contact distance between the rotating abutment part 43 and the workpiece to be bent, the first telescopic cylinder 47 is activated, which can drive the mounting part 41 to move up or down, thereby realizing the adjustment of the position of the rotating abutment part 43, which can be used to adjust the workpiece to be bent with different thicknesses.

[0035] See Figure 2 The conveying mechanism 5 includes rollers 51, a displacement part 52, a lifting part 53, and abutting rollers 54. Multiple rollers 51 are respectively disposed on the top of the fixed plate 2, and the multiple rollers 51 are used to receive and convey the workpiece to be bent. The displacement part 52 is slidably disposed on the top of the housing 1, and the displacement part 52 is located above the fixed plate 2. The lifting part 53 is slidably disposed on the top of the displacement part 52. The abutting rollers 54 are slidably disposed at the bottom of the lifting part 53, and the abutting rollers 54 can descend and abut against the workpiece to be bent placed on the rollers 51.

[0036] Specifically, the top of the housing 1 is equipped with a lead screw slide for driving the displacement unit 52 to move horizontally, allowing the displacement unit 52 to move along the conveying direction of the workpiece to be bent on the fixed plate 2. A servo motor is provided on the outer side of the lifting unit 53 to drive the abutment wheel 54 to rotate. When the servo motor is started, it drives the abutment wheel 54 to rotate. To reduce the difficulty for workers in loading the workpiece to be bent, the worker first places the workpiece on top of the multiple rollers 51 on the fixed plate 2, and then pushes the workpiece. At this time, the workpiece can slide above the rollers 51. Then, the lifting unit 53 drives the abutment wheel 54 to descend until the abutment wheel 54 abuts the workpiece above the rollers 51. The abutment wheel 54 is preferably a rubber wheel, which has good anti-slip properties. The servo motor starts and drives the abutment wheel 54 to rotate. At this time, the workpiece to be bent can slide towards the flip plate 3 under the rotational force of the abutment wheel 54 and the roller 51, thereby reducing the difficulty of the worker's loading work and improving work efficiency.

[0037] See Figures 2-4 The conveying mechanism 5 also includes a guide section 55 and a drive section 56; the guide section 55 has a pair and is slidably disposed on the top of the displacement section 52, and the guide section 55 and the displacement section 52 are in clearance fit; the drive section 56 is disposed on the top of the displacement section 52, and the output end of the drive section 56 is connected to the lifting section 53, and when the drive section 56 is started, it can drive the lifting section 53 and the abutment wheel 54 to move in a downward movement state.

[0038] Specifically, the drive unit 56 is preferably a hydraulic cylinder, which can drive the lifting unit 53 and the abutting wheel 54 to move in a downward or upward state. When the drive unit 56 is started, it can drive the lifting unit 53 and the abutting wheel 54 to move downward, thereby enabling the upper and lower surfaces of workpieces of different thicknesses to be abut against each other.

[0039] See Figure 6 The conveying mechanism 5 also includes a travel block 57 and a limiting wheel 58; the travel block 57 has a pair and is slidably disposed on the top of the fixed plate 2; the limiting wheel 58 has a plurality of them and is rotatably disposed on the side of the travel block 57, and the plurality of limiting wheels 58 are used to abut against the two sides of the receiving bent workpiece.

[0040] Specifically, to ensure the stability of the workpiece to be bent during the conveying process, the travel block 57 can drive multiple limit wheels 58 to move synchronously when it moves, until the multiple limit wheels 58 stably abut against both sides of the workpiece to be bent. When the workpiece to be bent is conveyed by the rollers 51 and the abutment wheels 54, the limit wheels 58 can rotate, thereby achieving the clamping operation of the workpiece to be bent without affecting the conveying operation of the workpiece to be bent, and ensuring the centering effect of the workpiece to be bent on the fixed plate 2.

[0041] See Figure 6 The conveying mechanism 5 also includes an electric push rod 59; the electric push rod 59 has a pair and is respectively disposed on the top of the fixed plate 2, and the output end of the electric push rod 59 is connected to the stroke block 57. When the electric push rod 59 is started, it can drive the stroke block 57 and the limit wheel 58 to move.

[0042] Specifically, in order to drive the movement of the stroke block 57, the electric push rod 59 is activated. When the electric push rod 59 is activated, it can drive the stroke block 57 and the limit wheel 58 to move towards the sides of the workpiece to be bent.

[0043] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

Claims

1. A bending machine for processing automotive sheet metal, comprising a housing (1), a fixing plate (2) disposed on the top of the housing (1) for placing a workpiece to be bent, and a flipping plate (3) rotatably disposed on the side of the housing (1) for bending the workpiece, characterized in that: The bending machine for automotive sheet metal processing also includes a bending adjustment mechanism (4) and a conveying mechanism (5); The bending adjustment mechanism (4) is located on the top of the housing (1) and above the fixed plate (2). The bending adjustment mechanism (4) includes a mounting part (41), a rotating part (42) and a flipping abutment part (43). The mounting section (41) has a pair and is slidably disposed on the top of the housing (1); The rotating part (42) is rotatably disposed between a pair of mounting parts (41); The flip-up abutment part (43) is rotatably set on the outside of the rotating part (42). The flip-up abutment part (43) is located above the fixed plate (2). One end of the flip-up abutment part (43) is a right-angle structure, and the other end of the flip-up abutment part (43) is a semi-circular structure. The flip-up abutment part (43) can be flipped and used to abut against the bending part of the workpiece to be bent. The conveying mechanism (5) is set on the top of the fixed plate (2). The conveying mechanism (5) is used to convey and limit the movement of the workpiece to be bent on the fixed plate (2).

2. The bending machine for processing automotive sheet metal according to claim 1, characterized in that: The bending adjustment mechanism (4) also includes a limiting part (44) and a locking part (45); the limiting part (44) has a pair and is respectively disposed on the outside of the rotating rod, and the pair of limiting parts (44) are close to the side of the mounting part (41); the locking part (45) has a pair and is respectively slidably disposed on the side of the mounting part (41), and when the locking part (45) slides, it can be in contact with both sides of the limiting part (44).

3. A bending machine for processing automotive sheet metal according to any one of claims 1-2, characterized in that: The bending adjustment mechanism (4) also includes a rotary motor (46), a first telescopic cylinder (47), and a second telescopic cylinder (48). The rotary motor (46) is located on the side of the mounting part (41), and the output end of the rotary motor (46) is connected to the rotating part (42). When the rotary motor (46) is started, it can drive the rotating part (42) and the flipping abutment part (43) to rotate synchronously. The first telescopic cylinder (47) is located on the top of the housing (1), and the output end of the first telescopic cylinder (47) is connected to the mounting part (41). The second telescopic cylinder (48) is located on the side of the mounting part (41), and the output end of the second telescopic cylinder (48) is connected to the locking part (45).

4. A bending machine for processing automotive sheet metal according to claim 1, characterized in that: The conveying mechanism (5) includes rollers (51), a displacement part (52), a lifting part (53), and a contact wheel (54); there are multiple rollers (51) respectively disposed on the top of the fixed plate (2), and the multiple rollers (51) are used to receive and convey the workpiece to be bent; the displacement part (52) is slidably disposed on the top of the housing (1), and the displacement part (52) is located above the fixed plate (2); the lifting part (53) is slidably disposed on the top of the displacement part (52); the contact wheel (54) is slidably disposed at the bottom of the lifting part (53), and the contact wheel (54) can descend and contact the workpiece to be bent placed on the roller (51).

5. A bending machine for processing automotive sheet metal according to claim 4, characterized in that: The conveying mechanism (5) also includes a guide section (55) and a drive section (56); the guide section (55) has a pair and is slidably disposed on the top of the displacement section (52), and the guide section (55) and the displacement section (52) are in clearance fit; the drive section (56) is disposed on the top of the displacement section (52), and the output end of the drive section (56) is connected to the lifting section (53), and when the drive section (56) is started, it can drive the lifting section (53) and the abutment wheel (54) to move in a downward movement state.

6. A bending machine for processing automotive sheet metal according to claim 5, characterized in that: The conveying mechanism (5) also includes a travel block (57) and a limiting wheel (58); the travel block (57) has a pair and is slidably disposed on the top of the fixed plate (2); the limiting wheel (58) has a plurality of them and is rotatably disposed on the side of the travel block (57), and the plurality of limiting wheels (58) are used to abut against the two sides of the receiving bent workpiece.

7. A bending machine for processing automotive sheet metal according to any one of claims 4-6, characterized in that: The conveying mechanism (5) also includes an electric push rod (59); the electric push rod (59) has a pair and is respectively disposed on the top of the fixed plate (2), and the output end of the electric push rod (59) is connected to the stroke block (57). When the electric push rod (59) is started, it can drive the stroke block (57) and the limit wheel (58) to move.

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